Butane | Butane is an organic compound with the formula C4H10 that is an alkane with four carbon atoms. Butane is a gas at room temperature and atmospheric pressure. Butane Gas Refill for Lighters is good for all butane lighters. Regardless of the lighter, this large refined butane lighter refill will fill up your tank. Each canister brings quality butane. It has a standard nozzle and the canister's cap brings adapters for every lighter made.